39494844 has 72 divisors (see below), whose sum is σ = 108173520. Its totient is φ = 12459744.

The previous prime is 39494843. The next prime is 39494857. The reversal of 39494844 is 44849493.

39494844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39494844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38482 + ... + 39494.

It is an arithmetic number, because the mean of its divisors is an integer number (1502410).

Almost surely, 2^39494844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39494844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54086760).

39494844 is an abundant number, since it is smaller than the sum of its proper divisors (68678676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39494844 is a wasteful number, since it uses less digits than its factorization.

39494844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1037 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 39494844 is about 6284.4923422660. The cubic root of 39494844 is about 340.5494116032.

The spelling of 39494844 in words is "thirty-nine million, four hundred ninety-four thousand, eight hundred forty-four".